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GATE 2009,2008 previous Year Questions of Thermodynamics
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In this lesson we will discuss GATE 2009,2008 previous Year Questions of Thermodynamics

RUTUJA Bothara
Strengthen GATE /PSU/ESE/SSC JE/RRB JE /campus Placements preparation. A passionate mechanical engineer -VIT University

U
10/10..thanks..☺️🙏
1. GATE Previous years Thermodynamics questions GATE Thermodynamics solved questions 2009,2008 By Rutuja Bothara

2. RUTUJA BOTHARA . Perusing B.Tech in Mechanical Engineering from Vellore Institute of Technology, Vellore. (2015-2019) . Placed in Alstom Transport India Ltd. . Cleared JEE Mains 2015 Cleared VITEEE-2015 with AIR 8718 unacademy Cracked HITSEEE-2015 with AIR 91 worked as a career. Counsellor in Teachers Academy (2016- 2018) and BOLO app. https://unacademy.com/user/rurutujajb96-9511

3. 2009 The inlet and the outlet conditions of steam for an adiabatic steam turbine are as indicated in the figure. The notations are as usually followed. -3200 kJ/kg V 160 m/s 2 10 m Pi = 3 MPa -2600 kJ/kg = 100 m/s P2=70kPa

4. If mass rate of steam through the turbine is 20 kg/s, the power output of the turbine (in MW) is (A) 12.157 (B) 12.941 (C) 168.001 (D) 168.785

5. ua-on, using Flo eergy on. 2 Ooo 200O Soluin

6. Assume the above turbine to be part of a simple Rankine cycle. The density of water at the inlet to the pump is 1000 kg/m. Ignoring kinetic and potential energy effects, the specific work (in kJ/kg) supplied to the pump is (A) 0.293 (B) 0.351 (C) 2.930 (D) 3.510

7. Specific punpusotK S glue by (P1-P.) Pa

8. 2008 In the figure shown, the system is a pure substance kept in a piston-cylinder arrangement. The system is initially a two-phase mixture containing 1 kg of liquid and 0.03 kg of vapour at a pressure of 100 kPa. Initially, the piston rests ona set of stops, as shown in the figure. A pressure of 200 kPa is required to exactly balance the weight of the piston and the outside atmospheric pressure. Heat transfer takes place into the system until its volume increases by 50%. Heat transfer to the system occurs in such a manner that the piston, when allowed to move, does so in a very slow (quasi-static/quasi-equilibrium process. The thermal reservoir from which heat is transferred to the system has a temperature of 400 C. Average temperature of the system boundary can be taken as 175 C The heat transfer to the system is 1 kJ, during which its entropy increases by 10J/K

9. Specific volume of liquid (v) nf and vapor (v) ng phases, as well as values of saturation temperatures, are given in the table below. Pressure (kPa) 100 200 Saturation temperature,Tsat(C) 100 200 Ve(m3/kg) 0.001 0.0015 g(m3/kg) 0.1 0.002

10. At the end of the process, which one of the following situations will be true? (A) superheated vapor will be left in the system (B) no vapor will be left in the system - (C) a liquid + vapor mixture will be left in the system (D) the mixture will exist at a dry saturated vapour state

11. v, = o.oo3 m3

12. era klorK done by Stem systen is W 1-os 20o( o.oos _o.oo38

13. Thank You For watching!! RATE REVIEW RECOMMEND